GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Impairment losses related to goodwill	$ 0
Amortization expense on other intangible assets	15,527,000	$ 18,401,000	$ 10,583,000
First Mortgage
Finite-Lived Intangible Assets [Line Items]
Value of servicing rights	1,700,000	2,100,000
SBA Loans
Finite-Lived Intangible Assets [Line Items]
Value of servicing rights	4,300,000	4,000,000
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Amortization expense on other intangible assets	15,500,000	15,700,000	$ 10,600,000
Impairment of other intangible assets	0	0
Servicing Rights | First Mortgage
Finite-Lived Intangible Assets [Line Items]
Impairment losses (current year less than)	$ 100,000	$ 300,000